LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/libspi.o
LIBS-$(CONFIG_SPL_FAT_SUPPORT) += fs/fat/libfat.o
LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/libgeneric.o
-LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o
+LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/libpower.o \
+ drivers/power/pmic/libpmic.o
LIBS-$(CONFIG_SPL_NAND_SUPPORT) += drivers/mtd/nand/libnand.o
LIBS-$(CONFIG_SPL_ONENAND_SUPPORT) += drivers/mtd/onenand/libonenand.o
LIBS-$(CONFIG_SPL_DMA_SUPPORT) += drivers/dma/libdma.o
LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/net/phy/libphy.o
LIBS-$(CONFIG_SPL_MUSB_NEW_SUPPORT) += drivers/usb/musb-new/libusb_musb-new.o
LIBS-$(CONFIG_SPL_USBETH_SUPPORT) += drivers/usb/gadget/libusb_gadget.o
+LIBS-$(CONFIG_SPL_WATCHDOG_SUPPORT) += drivers/watchdog/libwatchdog.o
ifneq ($(CONFIG_OMAP_COMMON),)
LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
$(obj)$(SPL_BIN): depend $(START) $(LIBS) $(obj)u-boot-spl.lds
$(GEN_UBOOT)
+# Tentative step for Kbuild-style makefiles coexist with conventional U-Boot style makefiles
+# U-Boot conventional sub makefiles always include some other makefiles.
+# So, the build system searches a line beginning with "include" before entering into the sub makefile
+# in order to distinguish which style it is.
+# If the Makefile include a "include" line, we assume it is an U-Boot style makefile.
+# Otherwise, it is treated as a Kbuild-style makefile.
+select_makefile = \
+ if grep -q "^include" $1/Makefile; then \
+ $(MAKE) -C $1; \
+ else \
+ $(MAKE) -C $1 -f $(TOPDIR)/scripts/Makefile.build; \
+ mv $(dir $@)built-in.o $@; \
+ fi
+
+# We do not need to build $(START) explicitly.
+# It is built while we are at $(CPUDIR)/lib$(CPU).o build.
$(START): depend
- $(MAKE) -C $(SRCTREE)/$(START_PATH) $@
+ if grep -q "^include" $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))Makefile; then \
+ $(MAKE) -C $(SRCTREE)/$(START_PATH) $@; \
+ fi
$(LIBS): depend
- $(MAKE) -C $(SRCTREE)$(dir $(subst $(SPLTREE),,$@))
+ +$(call select_makefile, $(SRCTREE)$(dir $(subst $(SPLTREE),,$@)))
$(obj)u-boot-spl.lds: $(LDSCRIPT) depend
$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -I$(obj). -ansi -D__ASSEMBLY__ -P - < $< > $@